[Aarch64] Fix couple of formatting issues

[Eric Botcazou]

Superfluous parentheses plus trailing spaces introduced last June.

Tested on AArch64/Linux, applied on the mainline as obvious.


2018-02-28  Eric Botcazou  <ebotca...@adacore.com>

        * config/aarch64/aarch64.c (aarch64_emit_probe_stack_range): Remove
        superfluous parentheses and trailing spaces.

-- 
Eric Botcazou
Index: config/aarch64/aarch64.c
===================================================================
--- config/aarch64/aarch64.c	(revision 258068)
+++ config/aarch64/aarch64.c	(working copy)
@@ -3852,11 +3852,9 @@ aarch64_emit_probe_stack_range (HOST_WIDE_INT firs
 	  emit_set_insn (reg2, gen_rtx_PLUS (Pmode, stack_pointer_rtx, reg2));
 	}
       else
-	{
-	  emit_set_insn (reg2,
-			 plus_constant (Pmode, stack_pointer_rtx, adjustment));
-	}
-	  	
+	emit_set_insn (reg2,
+		       plus_constant (Pmode, stack_pointer_rtx, adjustment));
+
       /* Step 3: the loop
 
 	 do